Finding the Fourth Proportional to 2,309.58, 3,187.98 and 1,838.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,309.58 : 3,187.98 = 1,838.34 : x
2. Step 2: Convert to fraction form
   2,309.58/3,187.98 = 1,838.34/x
3. Step 3: Cross multiply
   2,309.58x = 3,187.98 × 1,838.34
4. Step 4: Simplify right side
   2,309.58x = 5,860,591.15
5. Step 5: Solve for x
   x = 5,860,591.15/2,309.58
6. Step 6: Final answer
   x = 2,537.51